Hi there all

there will be times in my JAva app i am writting that i will need to multiplying by 0, it seems that when i run this is am getting a error i was hoping someone could please help me with this

Exception in thread "main" java.lang.ArithmeticException: / by zero

at pascal.value(pascal.java:68)

at pascal.drawTriangle(pascal.java:93)

at PascalDemo.main(PascalDemo.java:41

there will be times in my JAva app i am writting that i will need to multiplying by 0, it seems that when i run this is am getting a error i was hoping someone could please help me with this

Exception in thread "main" java.lang.ArithmeticExcept

at pascal.value(pascal.java:6

at pascal.drawTriangle(pascal

at PascalDemo.main(PascalDemo

```
//creating the mothod for Pascal
/** This is a method for testing that my if statment is working fine */
public class pascal
{
//* This Method will calculate the factoral of a positive number (including 0) and return it */
private static int factorial(int number)
{
if (number == 0)
{
return 0;
}
else
{
long workingTotal = 1; //storing a working total for the factotial
// System.out.println (number);
for (int count = 1;count <= number; count++) // working out the factorial
{
workingTotal = workingTotal * count;
}
int change = (int)workingTotal; //change the workingTotal back to a Int to be passed back to Value
return change;
}
}
//* This is the Method that calculate the binomial coefficients, it will call the factorial method when needed */
private static int value(int n, int k)
{
long a; //part one of the binomial coefficient, this will be storning the n!
long b; //part two of the binomial coefficient, this will be storning the k!
long c; //part three of the binomial coefficient, this will calulate n-k and get the total after it is passed to to the to make a factorial number
long d; //this will store the k * (n-k)!
long bico; // this is to store the binomial coefficient
int e;
int f;
k = 0;
for (int count = 0;count <= n; count++)
{
a = factorial(n); //passing the n! from value to factorial to work out the facorial number for n!
System.out.println ("\nfactorial N of " + n + " is " + a);
b = factorial(k); //passing the k! from value to factorial to work out the facorial number for k!
System.out.println ("\nfactorial k of " + k + " is " + b);
c = factorial(n - k);
System.out.println ("\nfactorial n - k " + n + " - " + k + " = " + c);
d = b * c;
System.out.println ("\nk*( n - k)! " + b + " * " + c + " = " + d);
bico = a / d;
System.out.println ("\binomial coefficient is " + a + " / " + d + " = " + bico);
e = (int)a; //converting the long a to double
f =(int)d; //converting the long d to a double
// System.out.println ("fac of " + n + " is " + a);
// System.out.println ("fac of " + k + " is " + b);
k++; //increacing the k count
// bico = (a/d);
// System.out.print (bico);
}
return (0 );
}
//* This Method is to handle the height of the triangle
public static void drawTriangle(int numberSelected)
{
value(numberSelected,0);
}
}
```

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